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已读[72] 发布: 2013/06/02 21:42:21
The Standard Digital News This week, partners under the Water Efficient Maize for Africa (WEMA) Project harvested the project's first crop in the trials for Bacillus thuringiensis (Bt) maize. While many smallholder farmers in Kenya face many challenges including pests invasion ...
已读[81] 发布: 2013/06/02 08:59:08
Mail & Guardian Online Genetically altered maize, called Bt maize, contains the pathogen Bacillus thuringiensis , which is a pesticide. Critics say that this is harmful to humans, as it is now ingested. But Rybicki says: "It focuses on a narrowly targeted bunch [of pests ...
已读[72] 发布: 2013/06/02 08:59:05
Timesonline.com Andrew was a teaching assistant for the Chemistry Department for two years and performed microbiology research with Dr. Devin Stauff, investigating the function of potential iron acquisition genes in Bacillus thuringiensis . As a senior, he was a member ...
已读[76] 发布: 2013/06/01 23:37:36
The News International ... Sindh scaled up notably by 725,468 million bales (a bale: 155 kilograms), or 27 percent, to 3.4 million bales in the current fiscal year 2013 from 2.68 million bales produced in the previous fiscal 2012 due to increasing use of Bacillus ...
已读[74] 发布: 2013/06/01 23:37:33
Tulsa World ... can physically remove the caterpillars. Another idea, from The Old Farmer's Almanac, is to keep wasps around, which feed on hornworms and serve as a natural pest control. Worley said he applies organic Dipel Dust, which contains Bacillus thuringiensis .
已读[78] 发布: 2013/06/01 23:37:31
Common Ground.ca Industry people try to put this myth over by touting the “Bt gene” from the Bacillus thuringiensis bacteria, which produces a toxin lethal to some corn and cotton worms. The plants produce their own pesticide, supposedly obviating the need to spray ...
已读[69] 发布: 2013/06/01 23:37:29
The Standard Digital News This week, partners under the Water Efficient Maize for Africa (WEMA) Project harvested the project's first crop in the trials for Bacillus thuringiensis (Bt) maize. While many smallholder farmers in Kenya face many challenges including pests invasion ...
已读[77] 发布: 2013/06/01 06:10:52
WREX-TV BTK is Bacillus thuringiensis kurstaki, a naturally-occurring bacteria often found in soil. It has been used as an alternative to chemical pesticides for over 50 years and is non-toxic to humans and other mammals, birds, fish, and most insects like ...
已读[54] 发布: 2013/05/31 19:55:21
通过喷洒化学药物或点蚊香、涂抹驱避剂等进行化学防治;对于公园的湖池和城市的喷泉的积水池可以采用放养观赏鱼类,或者使用微生物杀虫剂,如苏云金杆菌和球形芽孢杆菌...
已读[76] 发布: 2013/05/31 19:54:59
Austin American-Statesman If you have a big invasion of caterpillars, find some Bacillus thuringiensis (Bt) at a local nursery and sprinkle it on. This biological control won't hurt anything but caterpillars, but it will hurt all caterpillars, so use it only on spots where they ...
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